MaxCold insulation with 25% more foam to keep food and drinks cooler longer Front zippered compartment provides dry storage Adjustable, padded air mesh comfort straps for hands-free carrying convenience with sternum straps to distribute the load Top zip compartment allows easy access to smaller items Side mesh pocket with adjustable strap and interlock buckle to keep hydration bottles from falling out Padded zippered back pocket accommodates flat, dry items like books, magazines, e-readers, etc. Bottle cap opener conveniently located on front shoulder straps Leak resistant, easy to clean, antimicrobial liner